The effect of various anaesthetics on the spatial tuning of two major wave peaks in the transient pattern electroretinogram of the cat: evidence for pattern and luminance components.

abstract：:The effect of perspective transformation on transfer of face training was investigated in a yes/no recognition task using face stimuli with 42 degrees, 10 degrees, or no perspective convergence. A strong dependence of recognition performance on the magnitude of perspective transformation was found, with large perspect...

journal_title：Vision research

authors： Liu CH,Chaudhuri A

更新日期：2003-10-01 00:00:00

abstract：:Observers can better discriminate orientation or direction near the cardinal axes than near an oblique axis. We investigated whether this well-known oblique effect is determined by the physical or the perceived axis of the stimuli. Using the simultaneous tilt illusion, we generated perceptually different orientations ...

journal_title：Vision research

authors： Meng X,Qian N

更新日期：2005-12-01 00:00:00

abstract：:We investigated the influence of the Stiles-Crawford effect (SCE) of the first kind on the contrast sensitivity function using the apodisation model of the SCE. The SCE was measured for the right eyes of two subjects using an increment threshold technique involving a two-channel Maxwellian-viewing system. Filters made...

journal_title：Vision research

authors： Atchison DA,Scott DH

更新日期：2002-06-01 00:00:00

abstract：:Reduced perceptual span is one factor which limits reading speed in patients with macular disease. This study measured the perceptual span and the number of saccades to locate a target in 18 patients with macular disease and seven control subjects on two occasions separated by up to 12 months. Perceptual span changed ...

journal_title：Vision research

authors： Crossland MD,Rubin GS

更新日期：2006-02-01 00:00:00

abstract：:How does the visual system represent the ensemble statistics of visual objects? This question has received intense interest in vision research, yet most studies have focused on the extraction of mean statistics rather than its dispersion. This study focuses on another aspect of ensemble statistics: the redundancy of t...

journal_title：Vision research

authors： Won BY,Jiang YV

更新日期：2013-01-15 00:00:00

abstract：:Motion aftereffects (MAE) to drifting gratings were measured with a cancellation technique. For a constant adapting grating, MAE cancellation velocity increased linearly with visual field eccentricity. The slope of the function was dependent upon adapting temporal frequency. MAE velocity was independent of spatial fre...

journal_title：Vision research

authors： Wright MJ,Johnston A

更新日期：1985-01-01 00:00:00

abstract：:In Experiments 1-3, we monitored search performance as a function of target eccentricity under display durations that either allowed or precluded eye movements. The display was present either until observers responded, for 104 msec, or for 62 msec. In all three experiments an orientation asymmetry emerged: observers d...

journal_title：Vision research

authors： Carrasco M,McLean TL,Katz SM,Frieder KS

更新日期：1998-02-01 00:00:00

abstract：:During dark adaptation after full field, greater than or equal to 90% bleaches recovery of sensitivity and regeneration of rhodopsin were studied using electroretinographic and pupillographic techniques in both 10-week-old infants and adults. The courses of scotopic sensitivity recovery and rhodopsin regeneration of i...

journal_title：Vision research

authors： Fulton AB,Hansen RM

更新日期：1987-01-01 00:00:00

abstract：:Researchers have investigated whether attentional capture during visual search is driven by top-down processes, i.e. experimental goals and directives, or by bottom-up processes, i.e. the properties of the items within a search display. Some research has demonstrated that subjects cannot avoid attending to a task-irre...

journal_title：Vision research

authors： Berry JH

更新日期：2013-03-22 00:00:00

abstract：:Outside the fovea, the visual system pools features of adjacent stimuli. Left or right of fixation the tilt of an almost horizontal Gabor pattern becomes difficult to classify when horizontal Gabors appear above and below it. Classification is even harder when flankers are to the left and right of the target. With all...

journal_title：Vision research

authors： Mareschal I,Morgan MJ,Solomon JA

更新日期：2010-04-07 00:00:00

abstract：:Some theories for visual receptive fields postulate that they depend on the image statistics of the natural habitat. Consequently, different habitats may lead to different receptive fields. We thus decided to study how some of the most relevant statistics vary across habitats. In particular, atmospheric and underwater...

journal_title：Vision research

authors： Balboa RM,Grzywacz NM

更新日期：2003-11-01 00:00:00

abstract：:To pursue a small target moving in front of a drifting background, motion vectors from the target need to be integrated and segmented from those belonging to the background. Smooth pursuit eye movements typically integrate target and background directions initially and after some time shift towards the veridical targe...

journal_title：Vision research

authors： Debono K,Schütz AC,Gegenfurtner KR

更新日期：2012-03-15 00:00:00

abstract：:Amblyopic subjects were asked to memorize circles of different radii (2, 4 and 6 degrees), and then to reconstruct them monocularly with each eye, point by point (12 points per circle). The resulting two-dimensional maps of visual space showed considerable distortions, including expansion, shrinkage and torsion of spe...

journal_title：Vision research

authors： Sireteanu R,Lagreze WD,Constantinescu DH

更新日期：1993-03-01 00:00:00

abstract：:Reduced global motion sensitivity, relative to global static form sensitivity, has been found in children with many neurodevelopmental disorders, leading to the "dorsal stream vulnerability" hypothesis (Braddick et al., 2003). Individual differences in typically developing children's global motion thresholds have been...

journal_title：Vision research

authors： Braddick O,Atkinson J,Akshoomoff N,Newman E,Curley LB,Gonzalez MR,Brown T,Dale A,Jernigan T

更新日期：2017-12-01 00:00:00

abstract：:This study examines how salience and a center bias drive infants' first fixation while looking at complex scenes. Adults are known to have a strong center bias, their first point of gaze is nearly always in the center of the scene. The center bias is likely to be a strategic bias, as looking towards the center minimiz...

journal_title：Vision research

authors： van Renswoude DR,van den Berg L,Raijmakers MEJ,Visser I

更新日期：2019-01-01 00:00:00

abstract：:In stroboscopic conditions--such as motion pictures--rotating objects may appear to rotate in the reverse direction due to under-sampling (aliasing). A seemingly similar phenomenon occurs in constant sunlight, which has been taken as evidence that the visual system processes discrete "snapshots" of the outside world. ...

journal_title：Vision research

authors： Kline K,Holcombe AO,Eagleman DM

更新日期：2004-10-01 00:00:00

abstract：:Previously Gysen, De Graef, and Verfaillie [Vision Research 42 (2002) 379] showed that, with stimulus displays presenting one stationary and one translating object, sensitivity for intrasaccadic displacements was higher for translating than for stationary objects. In the present paper the importance of the relative en...

journal_title：Vision research

authors： Gysen V,Verfaillie K,De Graef P

更新日期：2002-06-01 00:00:00

abstract：:Adaptation paradigms highlight the dynamic nature of face coding and suggest that identity is coded relative to an average face that is tuned by experience. In low-level vision, adaptive coding can enhance sensitivity to differences around the adapted level. We investigated whether sensitivity to differences around th...

journal_title：Vision research

authors： Rhodes G,Maloney LT,Turner J,Ewing L

更新日期：2007-03-01 00:00:00

abstract：:Traditional perceptual learning protocols rely almost exclusively on long periods of uninterrupted fixation. Taking a first step towards understanding perceptual learning in natural vision, we had observers report the orientation of a briefly flashed stimulus (clockwise or counterclockwise from a reference orientation...

journal_title：Vision research

authors： Rolfs M,Murray-Smith N,Carrasco M

更新日期：2018-11-01 00:00:00

abstract：:It has been suggested that schizophrenia is associated with a magnocellular deficit. This would predict a loss of contrast sensitivity at low spatial and/or at high temporal frequencies. We here review research that tested contrast sensitivity in individuals with schizophrenia. We find that the results of this researc...

journal_title：Vision research

authors： Skottun BC,Skoyles JR

更新日期：2007-10-01 00:00:00

abstract：:We investigated the effect of adaptation on orientation discrimination using two experienced observers, then replicated the main effects using a total of 50 naïve subjects. Orientation discrimination around vertical improved after adaptation to either horizontal or vertical gratings, but was impaired by adaptation at ...

journal_title：Vision research

authors： Clifford CW,Wyatt AM,Arnold DH,Smith ST,Wenderoth P

更新日期：2001-01-15 00:00:00

abstract：:Recent research has shown that reading disabled children find it unusually difficult to detect flickering or moving visual stimuli, consistent with impaired processing in the magnocellular visual stream. Yet, it remains controversial to suggest that reduced visual sensitivity of this kind might affect children's readi...

journal_title：Vision research

authors： Cornelissen PL,Hansen PC,Hutton JL,Evangelinou V,Stein JF

更新日期：1998-02-01 00:00:00

abstract：:Central vision is substantially over represented in the lateral geniculate nucleus (dLGN) and striate cortex. The over representation could be accompanied by a selective expansion of central vision in parvocellular dLGN, in which case the ratio of parvocellular to magnocellular inputs to striate cortex should change w...

journal_title：Vision research

authors： Azzopardi P,Jones KE,Cowey A

更新日期：1999-06-01 00:00:00

abstract：:Various studies indicate the existence of non-Fourier visual mechanisms that can extract non-luminance cues (e.g., contrast modulation) as well as a Fourier mechanism that deals with luminance variation only. We compared the pattern discrimination performance of the non-Fourier mechanism with that of the Fourier mecha...

journal_title：Vision research

authors： Lin LM,Wilson HR

更新日期：1996-07-01 00:00:00

abstract：:The integration of spatially distinct elements into coherent objects is a fundamental process of vision. Yet notwithstanding an extensive literature on perceptual grouping, we still lack a clear understanding of the representational consequences of grouping disparate visual locations. We investigated this question in ...

journal_title：Vision research

authors： Harrison SJ,Feldman J

更新日期：2009-11-01 00:00:00

abstract：:Current theories of second-order motion perception postulate that such motion is detected by either a high-level mechanism which computes the temporal correspondences between "features" extracted from the image, or low-level motion mechanisms which operate on a nonlinear, neural transformation of the luminance profile...

journal_title：Vision research

authors： Ledgeway T,Smith AT

更新日期：1994-10-01 00:00:00

abstract：:We assessed the role of saliency in driving observers to fixate the eyes in social scenes. Saliency maps (Itti & Koch, 2000) were computed for the scenes from three previous studies. Saliency provided a poor account of the data. The saliency values for the first-fixated locations were extremely low and no greater than...

journal_title：Vision research

authors： Birmingham E,Bischof WF,Kingstone A

更新日期：2009-12-01 00:00:00

abstract：:Retinal connections causing colors in Benham's top (pattern induced flicker colors, PIFCs) are investigated by psychophysical experiments. PIFCs are still seen when stimuli to different cones are demodulated selectively, indicating the involvement of non-opponent channels. PIFCs also occur on retinal areas next to tho...

journal_title：Vision research

authors： von Campenhausen C,Hofstetter K,Schramme J,Tritsch MF

更新日期：1992-05-01 00:00:00

abstract：:To determine whether speed discrimination improves when the retinal image is stabilized against the effects of eye movements, thresholds were measured under stabilized and normal viewing conditions. In the normal viewing conditions, eye movements were recorded and used to estimate retinal-image speeds. Stimulus refere...

journal_title：Vision research

authors： Heidenreich SM,Turano KA

更新日期：1996-06-01 00:00:00

abstract：:The perceived and remembered position of stationary target objects is subject to a large number of distortions. Objects are localized toward the fovea, and when an additional object (distractor) is presented, a tendency to average target and distractor position was observed. These distortions in visual short-term memo...

journal_title：Vision research

authors： Kerzel D

更新日期：2002-01-01 00:00:00